static void __alpha_pll_vote_disable(struct alpha_pll_clk *pll)
{
u32 ena;
ena = readl_relaxed(VOTE_REG(pll));
ena &= ~pll->fsm_en_mask;
writel_relaxed(ena, VOTE_REG(pll));
}
static int __alpha_pll_vote_enable(struct alpha_pll_clk *pll)
{
u32 ena;
ena = readl_relaxed(VOTE_REG(pll));
ena |= pll->fsm_en_mask;
writel_relaxed(ena, VOTE_REG(pll));
mb();
return wait_for_update(pll);
}
static void local_vote_clk_disable(struct clk *c)
{
unsigned long flags;
u32 ena;
struct local_vote_clk *vclk = to_local_vote_clk(c);
spin_lock_irqsave(&local_clock_reg_lock, flags);
ena = readl_relaxed(VOTE_REG(vclk));
ena &= ~vclk->en_mask;
writel_relaxed(ena, VOTE_REG(vclk));
spin_unlock_irqrestore(&local_clock_reg_lock, flags);
}
static int local_vote_clk_enable(struct clk *c)
{
unsigned long flags;
u32 ena;
struct local_vote_clk *vclk = to_local_vote_clk(c);
spin_lock_irqsave(&local_clock_reg_lock, flags);
ena = readl_relaxed(VOTE_REG(vclk));
ena |= vclk->en_mask;
writel_relaxed(ena, VOTE_REG(vclk));
spin_unlock_irqrestore(&local_clock_reg_lock, flags);
branch_clk_halt_check(vclk->halt_check, c->dbg_name, CBCR_REG(vclk),
BRANCH_ON);
return 0;
}
static enum handoff local_vote_clk_handoff(struct clk *c)
{
struct local_vote_clk *vclk = to_local_vote_clk(c);
u32 vote_regval;
/* Is the branch voted on by apps? */
vote_regval = readl_relaxed(VOTE_REG(vclk));
if (!(vote_regval & vclk->en_mask))
return HANDOFF_DISABLED_CLK;
return HANDOFF_ENABLED_CLK;
}
